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C Hernandez Construction
Lic. #1106454 Β· Ceres, CA
Homeβ€ΊCitiesβ€ΊModestoβ€ΊRoom Additions
Modesto, Stanislaus CountyΒ· 10 miles from Ceres

Room Additions in Modesto, CA

Expand your Modesto home with a permitted room addition. Bedrooms, family rooms, or full second stories β€” built and framed by a licensed contractor.

Get a Free Addition Estimate β†’(209) 241-3765
Lic. #11064545.0 β˜… GoogleFree EstimatesFully Insured

Room Additions in Modesto

Instead of moving, many Modesto homeowners are choosing to expand. A room addition is one of the best investments you can make in your home β€” it adds usable square footage, increases resale value, and lets you stay in the neighborhood you love. C Hernandez Construction builds permitted room additions throughout Modesto and Stanislaus County, handling everything from permit coordination to framing, drywall, and finish work. We're licensed (Lic. #1106454) and our work passes city inspections the first time.

What's Included

Master bedroom and bedroom additions
Family room and living area expansions
Second-story additions over existing footprint
Garage conversions to living space
Primary suite additions with private bathroom
Full permit coordination and structural engineering coordination
Why Modesto Homeowners Choose Us

We've framed homes and built ADUs throughout Modesto's established and new-growth neighborhoods. We know which inspectors work which districts and what they look for β€” that means fewer correction cycles and faster project completion for you.

Room Additions in Modesto
Lic. #1106454 Β· Free Estimates
Licensed & Insured
Serving Modesto & Central Valley
Same-day response
No-obligation estimate
Get a Free Addition Estimate β†’ (209) 241-3765

FAQs β€” Additions in Modesto

Do you build room additions in Modesto?
Yes β€” we regularly build room additions in Modesto. We're based in Ceres, 10 miles away. Call (209) 241-3765 for a free site evaluation.
Do I need a permit for a room addition?
Yes β€” any structural addition to your home requires a building permit. We handle the permit application process and work with the city's building department through inspections and final sign-off.
How long does a room addition take?
A typical room addition takes 3–5 months from permit approval to completion, depending on size and complexity. A second-story addition may take longer due to structural requirements.
What does a room addition cost in the Central Valley?
A single-room addition typically runs $80,000–$180,000 depending on size, site conditions, and finish level. We provide free, detailed written estimates after a site visit.

See all services we offer in Modesto:

All Services in Modesto, CA β†’
Reviews

What Clients Say

5.0 on Google
6 verified reviews
ADU Framing – Detached Unit
ADU

"From start to finish it was a great experience. We looked at the plans and got the work done very efficiently β€” passed city inspections with no problem on the first try, which allowed the rest of the project to move forward. Great price too."

J
Jose Carmona
Verified Google Review
Modesto, CA Β· ADU Framing – Detached Unit
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Ceres, CA Β· License #1106454

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